Wave shoaling is the process when surface waves move towards shallow water, such as a beach, they slow down, their wave height increases and the distance between waves decreases. This behavior is called shoaling, and the waves are said to shoal.n a nautical sense, a bar is a shoal, similar to a reef: a shallow formation of (usually) sand that is a navigation or grounding hazard, with a depth of water of 6 fathoms (11 metres) or less. It therefore applies to a silt accumulation that shallows the entrance to or course of a river, or creek.
Phosphorus (P) Phosphorus (P), phosphorusnonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that glows in the dark.
Definition of phosphorus. 1  1 : a phosphorescent substance or body; especially : one that shines or glows in the dark. 2  2 or less commonly phosphorous \same\ : a nonmetallic element of the nitrogen family that occurs widely especially as phosphates â see element table.